Having the quality or nature of a frill; resembling or relating to frills.
Derived from 'frill' plus the suffix '-al' (meaning 'relating to' or 'characterized by'). Created as a rare adjectival form to describe things with frill-like qualities or attributes.
This is such a rare word that it's barely documented in major dictionaries—it shows how English lets us build new words by adding suffixes to existing ones, even if hardly anyone uses the result. Language is a creative toolkit.
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